Progress against the field
Between Amsterdam 2026 and Rotterdam 2026, Tahis Ouwehand kept pace with the field.
The races barely moved for everyone else, so 0:16 faster on the clock is close to the whole story.
How this is worked out ⓘ
A finish time moves for two reasons: the athlete, and the race — its course, its floor, its day. For each pair of races in a row in one category, we take everyone who raced both and use the middle of how much they moved (the median) as "the race". Whatever is left is the athlete. Doubles are compared only when the same two people raced both, and told as the pair's; relays are left out. A pair with fewer than 15 athletes in common is not shown.
Every race
2 races · 2 events
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Rotterdam15 Apr 2026Individual Open · Women1:19:49 PB49/462Beat 89%
↑ 84 days after Amsterdam 2026 0:02 better than the field Why ↓Close ↑
Moved with the field: 0:16 faster on the clock, against 0:14 faster for everyone.
The fieldCompare these two →0:14 faster This athlete0:16 faster -
Amsterdam21 Jan 2026Individual Open · Women1:20:0536/287Beat 88%